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Question: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? Options: A. larynx B. esophagus C. trachea D. pharynx Answer:

Question: Food chewed evenly during mastication moisten and lubricate the lining of the mouth and this? Options: A. larynx B. esophagus C. trachea D. pharynx Answer:

D

Question: Photosynthesis is initiated by what hitting plants? Options: A. sunlight B. dirt C. moisture D. air Answer:

Question: Photosynthesis is initiated by what hitting plants? Options: A. sunlight B. dirt C. moisture D. air Answer:

A

Question: What is the process of drawing general conclusions based on many pieces of evidence? Options: A. primitive reasoning B. inductive reasoning C. quantum reasoning D. experimental reasoning Answer:

Question: What is the process of drawing general conclusions based on many pieces of evidence? Options: A. primitive reasoning B. inductive reasoning C. quantum reasoning D. experimental reasoning Answer:

B

Question: Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue. Options: A. gomphosis B. suture C. syndesmosis D. cartilage Answer:

Question: Name the fibrous joint in which two parallel bones are united to each other by fibrous connective tissue. Options: A. gomphosis B. suture C. syndesmosis D. cartilage Answer:

C

Question: What's the best way humans can conserve water? Options: A. boil it B. use more C. salt it D. use less Answer:

Question: What's the best way humans can conserve water? Options: A. boil it B. use more C. salt it D. use less Answer:

D

Question: Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles? Options: A. beginning synapses B. dual synapses C. electrical synapses D. duplicating synapses Answer:

Question: Although fewer in number than chemical synapses, what type of synapses are found in all nervous systems and play important and unique roles? Options: A. beginning synapses B. dual synapses C. electrical synapses D. duplicating synapses Answer:

C

Question: What consists of a nitrogen atom bonded to some combination of carbons and hydrogens? Options: A. a chloride B. an alkali C. an amine D. a metalloid Answer:

Question: What consists of a nitrogen atom bonded to some combination of carbons and hydrogens? Options: A. a chloride B. an alkali C. an amine D. a metalloid Answer:

C

Question: When do hammerhead sharks usually hunt? Options: A. summer B. at night C. in the day D. winter Answer:

Question: When do hammerhead sharks usually hunt? Options: A. summer B. at night C. in the day D. winter Answer:

B

Question: What types of glands do only female mammals have? Options: A. pituitary B. mammary C. thyroid D. respiratory Answer:

Question: What types of glands do only female mammals have? Options: A. pituitary B. mammary C. thyroid D. respiratory Answer:

B

Question: What is the unit used to measure air pressure? Options: A. millibar B. mass C. newtons D. pounds per inch Answer:

Question: What is the unit used to measure air pressure? Options: A. millibar B. mass C. newtons D. pounds per inch Answer:

A

Question: In which stage does the chromatin condense into chromosomes? Options: A. Anaphase I B. Metaphase I C. Telophase II D. prophase ii Answer:

Question: In which stage does the chromatin condense into chromosomes? Options: A. Anaphase I B. Metaphase I C. Telophase II D. prophase ii Answer:

D

Question: What is the upper-most atmosphere known as? Options: A. thermosphere B. xerosphere C. ionosphere D. exosphere Answer:

Question: What is the upper-most atmosphere known as? Options: A. thermosphere B. xerosphere C. ionosphere D. exosphere Answer:

A

Question: Reproduction that doesn't involve a male gamete is also known as what? Options: A. mitosis B. agamogenesis C. meiosis D. asexual reproduction Answer:

Question: Reproduction that doesn't involve a male gamete is also known as what? Options: A. mitosis B. agamogenesis C. meiosis D. asexual reproduction Answer:

B

Question: What is the term for an electronic component that consists of many other electronic components? Options: A. electrical current B. integrated circuit C. networks D. creating circuit Answer:

Question: What is the term for an electronic component that consists of many other electronic components? Options: A. electrical current B. integrated circuit C. networks D. creating circuit Answer:

B

Question: What is another term for life science? Options: A. ecology B. geology C. biology D. meteorology Answer:

Question: What is another term for life science? Options: A. ecology B. geology C. biology D. meteorology Answer:

C

Question: What type of cartilage contains no collagen? Options: A. shark cartilage B. fetal cartilage C. lamprey cartilage D. joint cartilage Answer:

Question: What type of cartilage contains no collagen? Options: A. shark cartilage B. fetal cartilage C. lamprey cartilage D. joint cartilage Answer:

C

Question: In prokaryotes, what are the regions called that repressors bind to? Options: A. elements B. enablers C. operators D. consumers Answer:

Question: In prokaryotes, what are the regions called that repressors bind to? Options: A. elements B. enablers C. operators D. consumers Answer:

C

Question: What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell? Options: A. molecular microscope B. electron microscope C. element microscope D. complex microscope Answer:

Question: What instrument has a resolution many times greater than a light microscope, and can be used to see the details on the outside of a cell? Options: A. molecular microscope B. electron microscope C. element microscope D. complex microscope Answer:

B

Question: The temperature at which the individual ions have enough kinetic energy to overcome the attractive forces that hold them in place is called? Options: A. occurring point B. last point C. melting point D. boiling point Answer:

Question: The temperature at which the individual ions have enough kinetic energy to overcome the attractive forces that hold them in place is called? Options: A. occurring point B. last point C. melting point D. boiling point Answer:

C

Question: What play several important roles in the human body? Options: A. lipids B. organs C. cells D. tissues Answer:

Question: What play several important roles in the human body? Options: A. lipids B. organs C. cells D. tissues Answer:

A

Question: What is a measure that has both size and direction? Options: A. velocity B. length C. vector D. wave Answer:

Question: What is a measure that has both size and direction? Options: A. velocity B. length C. vector D. wave Answer:

C

Question: What is to blame for water’s boiling point (100°c) being higher than the boiling points of similar substances? Options: A. molecular shape B. hydrogen bonds C. electrode bonds D. helium bonds Answer:

Question: What is to blame for water’s boiling point (100°c) being higher than the boiling points of similar substances? Options: A. molecular shape B. hydrogen bonds C. electrode bonds D. helium bonds Answer:

B

Question: Carbonic acid decomposes easily at room temperature into carbon dioxide and what else? Options: A. gas B. oxygen C. water D. helium Answer:

Question: Carbonic acid decomposes easily at room temperature into carbon dioxide and what else? Options: A. gas B. oxygen C. water D. helium Answer:

C

Question: What form when a single atom gains or loses electrons? Options: A. fusional ions B. monatomic ions C. carbon atoms D. vacuoles ions Answer:

Question: What form when a single atom gains or loses electrons? Options: A. fusional ions B. monatomic ions C. carbon atoms D. vacuoles ions Answer:

B

Question: In earthworms, the skin serves as what type of organ? Options: A. excretory B. reproductive C. kidney D. respiratory Answer:

Question: In earthworms, the skin serves as what type of organ? Options: A. excretory B. reproductive C. kidney D. respiratory Answer:

D

Question: Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? Options: A. muffler B. intake C. oil D. exhaust Answer:

Question: Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? Options: A. muffler B. intake C. oil D. exhaust Answer:

D

Question: Processing of filtrate in the proximal tubule helps maintain what level in body fluid? Options: A. metabolic level B. homeostasis C. temperature D. ph Answer:

Question: Processing of filtrate in the proximal tubule helps maintain what level in body fluid? Options: A. metabolic level B. homeostasis C. temperature D. ph Answer:

D

Question: What helps represent age-sex structure of the population? Options: A. biome model B. population pyramid C. density graph D. habitat chart Answer:

Question: What helps represent age-sex structure of the population? Options: A. biome model B. population pyramid C. density graph D. habitat chart Answer:

B

Question: Large viruses began as what type of cells inside bigger host cells? Options: A. symbiotic B. simple C. static D. parasitic Answer:

Question: Large viruses began as what type of cells inside bigger host cells? Options: A. symbiotic B. simple C. static D. parasitic Answer:

D

Question: How can you calculate the density of matter? Options: A. by subtracting mass from volume B. by dividing its volume by its mass C. by multiplying its mass by its volume D. by dividing its mass by its volume Answer:

Question: How can you calculate the density of matter? Options: A. by subtracting mass from volume B. by dividing its volume by its mass C. by multiplying its mass by its volume D. by dividing its mass by its volume Answer:

D

Question: Frogs and toads have long back legs which are specialized for what action? Options: A. flying B. jumping C. sprinting D. swimming Answer:

Question: Frogs and toads have long back legs which are specialized for what action? Options: A. flying B. jumping C. sprinting D. swimming Answer:

B

Question: Different regions of the cerebral cortex can be associated with particular functions, a concept known as what? Options: A. cytoplasm of function B. expressiveness of function C. localization of function D. reversal of function Answer:

Question: Different regions of the cerebral cortex can be associated with particular functions, a concept known as what? Options: A. cytoplasm of function B. expressiveness of function C. localization of function D. reversal of function Answer:

C

Question: What is the term for a change in the inherited traits of organisms over time? Options: A. emergence B. evolution C. mutation D. generation Answer:

Question: What is the term for a change in the inherited traits of organisms over time? Options: A. emergence B. evolution C. mutation D. generation Answer:

B

Question: What type of diseases do antibiotics not affect? Options: A. viruses B. animal stings C. cancer D. autoimmune diseases Answer:

Question: What type of diseases do antibiotics not affect? Options: A. viruses B. animal stings C. cancer D. autoimmune diseases Answer:

A

Question: Which system carries out long-distance transport of materials between the root and shoot systems? Options: A. vascular tissue system B. circulatory tissue system C. reproductive tissue system D. perceptual tissue system Answer:

Question: Which system carries out long-distance transport of materials between the root and shoot systems? Options: A. vascular tissue system B. circulatory tissue system C. reproductive tissue system D. perceptual tissue system Answer:

A

Question: How do reptiles typically reproduce? Options: A. live birth B. sexually C. cloning D. asexually Answer:

Question: How do reptiles typically reproduce? Options: A. live birth B. sexually C. cloning D. asexually Answer:

B

Question: All organisms must adapt to what in order to survive? Options: A. conditions B. environment C. natural D. weather Answer:

Question: All organisms must adapt to what in order to survive? Options: A. conditions B. environment C. natural D. weather Answer:

B

Question: Biochemical compounds that include sugars, starches, and cellulose are examples of what? Options: A. lipids B. electrolytes C. carbohydrates D. proteins Answer:

Question: Biochemical compounds that include sugars, starches, and cellulose are examples of what? Options: A. lipids B. electrolytes C. carbohydrates D. proteins Answer:

C

Question: What emerges from an insect egg? Options: A. parasite B. fungi C. larva D. cocoon Answer:

Question: What emerges from an insect egg? Options: A. parasite B. fungi C. larva D. cocoon Answer:

C

Question: What can protons and neutrons be broken down into? Options: A. strings B. quarks C. ions D. molecules Answer:

Question: What can protons and neutrons be broken down into? Options: A. strings B. quarks C. ions D. molecules Answer:

B

Question: What is the name of the stage of life when a child becomes sexually mature? Options: A. growth spurt B. adolescence C. maturity D. puberty Answer:

Question: What is the name of the stage of life when a child becomes sexually mature? Options: A. growth spurt B. adolescence C. maturity D. puberty Answer:

D

Question: What part of the brain is divided from front to back into the left and right hemispheres? Options: A. cerebrum B. thalmus C. medula oblongata D. cerebellum Answer:

Question: What part of the brain is divided from front to back into the left and right hemispheres? Options: A. cerebrum B. thalmus C. medula oblongata D. cerebellum Answer:

A

Question: Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what? Options: A. quadrant B. cylindrical C. incised D. striated Answer:

Question: Because their cells are arranged in bundles, the appearance of skeletal and cardiac muscles is described as what? Options: A. quadrant B. cylindrical C. incised D. striated Answer:

D

Question: What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? Options: A. sunshine B. soil C. acid D. water Answer:

Question: What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? Options: A. sunshine B. soil C. acid D. water Answer:

B

Question: What in orange juice makes it taste sour? Options: A. citric acid B. amino acid C. acetic acid D. carbonation Answer:

Question: What in orange juice makes it taste sour? Options: A. citric acid B. amino acid C. acetic acid D. carbonation Answer:

A

Question: What scientist created the modern system for classifying organisms? Options: A. linnaeus B. Newton C. Bohr D. Pasteur Answer:

Question: What scientist created the modern system for classifying organisms? Options: A. linnaeus B. Newton C. Bohr D. Pasteur Answer:

A

Question: What will be the effect to an organism if its homeostasis is not maintained? Options: A. death or disease B. weight regulation C. slow aging D. healthy mental state Answer:

Question: What will be the effect to an organism if its homeostasis is not maintained? Options: A. death or disease B. weight regulation C. slow aging D. healthy mental state Answer:

A

Question: Since warmer molecules have more energy, they are more what? Options: A. inactive B. active C. dense D. abundant Answer:

Question: Since warmer molecules have more energy, they are more what? Options: A. inactive B. active C. dense D. abundant Answer:

B

Question: If only blue light strikes green leaves what happens to it? Options: A. it causes cooling B. it is reflected C. it is absorbed D. it causes heating Answer:

Question: If only blue light strikes green leaves what happens to it? Options: A. it causes cooling B. it is reflected C. it is absorbed D. it causes heating Answer:

C

Question: Which type of animal creates useful substances such as honey, wax, lacquer, and silk? Options: A. spiders B. fungus C. insects D. bacteria Answer:

Question: Which type of animal creates useful substances such as honey, wax, lacquer, and silk? Options: A. spiders B. fungus C. insects D. bacteria Answer:

C

Question: Stringed instruments can help show the relationship between tension and what in strings? Options: A. lengths B. temperatures C. volumes D. frequencies Answer:

Question: Stringed instruments can help show the relationship between tension and what in strings? Options: A. lengths B. temperatures C. volumes D. frequencies Answer:

D

Question: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what? Options: A. temperature B. density C. altitude D. volume Answer:

Question: Ectotherms undergo a variety of changes at the cellular level to acclimatize to shifts in what? Options: A. temperature B. density C. altitude D. volume Answer:

A

Question: Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what? Options: A. the center B. the apex C. the base D. focus Answer:

Question: Convex lenses are thicker in the middle than at the edges so they cause rays of light to converge, or meet, at a point called what? Options: A. the center B. the apex C. the base D. focus Answer:

D

Question: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? Options: A. salts B. antidepressants C. antibiotics D. antacids Answer:

Question: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? Options: A. salts B. antidepressants C. antibiotics D. antacids Answer:

D

Question: What type of taste do bases normally have? Options: A. bitter B. sour C. salty D. sweet Answer:

Question: What type of taste do bases normally have? Options: A. bitter B. sour C. salty D. sweet Answer:

A

Question: Which body part helps roundworm prevent their body from expanding? Options: A. plate B. skin C. tough cuticle covering D. scales Answer:

Question: Which body part helps roundworm prevent their body from expanding? Options: A. plate B. skin C. tough cuticle covering D. scales Answer:

C

Question: The maintenance of constant conditions in the body is also known as what? Options: A. homeostasis B. hypothesis C. mononucleosis D. consciousness Answer:

Question: The maintenance of constant conditions in the body is also known as what? Options: A. homeostasis B. hypothesis C. mononucleosis D. consciousness Answer:

A

Question: What is the term for tough protein fibers that connects bones to each other? Options: A. ligaments B. tetons C. cords D. muscles Answer:

Question: What is the term for tough protein fibers that connects bones to each other? Options: A. ligaments B. tetons C. cords D. muscles Answer:

A

Question: What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? Options: A. thermal chemistry B. molecular chemistry C. differential chemistry D. physical chemistry Answer:

Question: What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? Options: A. thermal chemistry B. molecular chemistry C. differential chemistry D. physical chemistry Answer:

D

Question: Bones, cartilage, and ligaments make up what anatomical system? Options: A. Integumentary system B. skeletal system C. Muscular system D. Lymphatic system Answer:

Question: Bones, cartilage, and ligaments make up what anatomical system? Options: A. Integumentary system B. skeletal system C. Muscular system D. Lymphatic system Answer:

B

Question: What is the first part of the large intestine called? Options: A. jejunum B. duodenum C. cecum D. colon Answer:

Question: What is the first part of the large intestine called? Options: A. jejunum B. duodenum C. cecum D. colon Answer:

C

Question: What occurs when nature reclaims areas formerly occupied by life? Options: A. secondary succession B. tertiary succession C. typical succession D. primary succession Answer:

Question: What occurs when nature reclaims areas formerly occupied by life? Options: A. secondary succession B. tertiary succession C. typical succession D. primary succession Answer:

A

Question: To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine? Options: A. stomach B. spleen C. gall bladder D. small intestine Answer:

Question: To solubilize the fats so that they can be absorbed, what organ secretes a fluid called bile into the small intestine? Options: A. stomach B. spleen C. gall bladder D. small intestine Answer:

C

Question: When the hemoglobin loses its oxygen, it changes to what color? Options: A. grayish red B. purple red C. light pink D. bluish red Answer:

Question: When the hemoglobin loses its oxygen, it changes to what color? Options: A. grayish red B. purple red C. light pink D. bluish red Answer:

D

Question: How are weather patterns formed? Options: A. pollution from planes B. carbon dioxide C. the moon's gravitational pull D. uneven heating of the atmosphere Answer:

Question: How are weather patterns formed? Options: A. pollution from planes B. carbon dioxide C. the moon's gravitational pull D. uneven heating of the atmosphere Answer:

D

Question: Boyle discovered that what property of a gas is inversely proportional to its volume? Options: A. temperature B. amount C. pressure D. mass Answer:

Question: Boyle discovered that what property of a gas is inversely proportional to its volume? Options: A. temperature B. amount C. pressure D. mass Answer:

C

Question: What amazing machines smash particles that are smaller than atoms into each other head-on? Options: A. absorption accelerators B. nitrogen accelerators C. observant accelerators D. particle accelerators Answer:

Question: What amazing machines smash particles that are smaller than atoms into each other head-on? Options: A. absorption accelerators B. nitrogen accelerators C. observant accelerators D. particle accelerators Answer:

D

Question: The interaction of what opposite factors describe a biome and ecosystem? Options: A. innate and biotic B. abiotic and biotic C. hygroscopic and abiotic D. metastasis and biotic Answer:

Question: The interaction of what opposite factors describe a biome and ecosystem? Options: A. innate and biotic B. abiotic and biotic C. hygroscopic and abiotic D. metastasis and biotic Answer:

B

Question: What is caused by differences in density at the top and bottom of the ocean? Options: A. flat currents B. still water C. shallow currents D. deep currents Answer:

Question: What is caused by differences in density at the top and bottom of the ocean? Options: A. flat currents B. still water C. shallow currents D. deep currents Answer:

D

Question: What is the layer of tissue between the body and shell called? Options: A. epidermis B. collagen C. mantle D. cuticle Answer:

Question: What is the layer of tissue between the body and shell called? Options: A. epidermis B. collagen C. mantle D. cuticle Answer:

C

Question: Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures? Options: A. flowers B. stems C. roots D. leaves Answer:

Question: Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures? Options: A. flowers B. stems C. roots D. leaves Answer:

C

Question: What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body? Options: A. diastolic B. carotid C. aorta D. capillary Answer:

Question: What is the major artery of the body, taking oxygenated blood to the organs and muscles of the body? Options: A. diastolic B. carotid C. aorta D. capillary Answer:

C

Question: What do you call a growing mass of cancerous cells that pushes into nearby tissues? Options: A. bacteria B. calcium C. pallet D. tumor Answer:

Question: What do you call a growing mass of cancerous cells that pushes into nearby tissues? Options: A. bacteria B. calcium C. pallet D. tumor Answer:

D

Question: What is the major intracellular cation? Options: A. glucose B. sodium C. potassium D. magnesium Answer:

Question: What is the major intracellular cation? Options: A. glucose B. sodium C. potassium D. magnesium Answer:

C

Question: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? Options: A. lipids B. peptides C. proteins D. protons Answer:

Question: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? Options: A. lipids B. peptides C. proteins D. protons Answer:

B

Question: What remains a constant of radioactive substance over time? Options: A. acidity B. volatility C. rate of decay D. temperature Answer:

Question: What remains a constant of radioactive substance over time? Options: A. acidity B. volatility C. rate of decay D. temperature Answer:

C

Question: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? Options: A. biomes B. monomes C. substrates D. bisomes Answer:

Question: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? Options: A. biomes B. monomes C. substrates D. bisomes Answer:

A

Question: High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term? Options: A. light speed B. turbulence C. ion speed D. supersonic Answer:

Question: High explosives create shock waves that exceed the speed of sound, a phenomenon that goes by what term? Options: A. light speed B. turbulence C. ion speed D. supersonic Answer:

D

Question: What do you call a structure composed of two or more types of tissues that work together to do a specific task? Options: A. system B. cell C. organ D. marrow Answer:

Question: What do you call a structure composed of two or more types of tissues that work together to do a specific task? Options: A. system B. cell C. organ D. marrow Answer:

C